1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io>
4 *
5 * Based on sun8i-h3-bananapi-m2-plus.dts, which is:
6 *   Copyright (C) 2016 Chen-Yu Tsai <wens@csie.org>
7 */
8
9/dts-v1/;
10#include "sun8i-h3.dtsi"
11#include "sunxi-common-regulators.dtsi"
12
13#include <dt-bindings/gpio/gpio.h>
14#include <dt-bindings/input/input.h>
15
16/ {
17	model = "Banana Pi BPI-M2-Zero";
18	compatible = "sinovoip,bpi-m2-zero", "allwinner,sun8i-h2-plus";
19
20	aliases {
21		serial0 = &uart0;
22		serial1 = &uart1;
23	};
24
25	chosen {
26		stdout-path = "serial0:115200n8";
27	};
28
29	leds {
30		compatible = "gpio-leds";
31
32		pwr_led {
33			label = "bananapi-m2-zero:red:pwr";
34			gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>; /* PL10 */
35			default-state = "on";
36		};
37	};
38
39	gpio_keys {
40		compatible = "gpio-keys";
41
42		sw4 {
43			label = "power";
44			linux,code = <BTN_0>;
45			gpios = <&r_pio 0 3 GPIO_ACTIVE_LOW>;
46		};
47	};
48
49	reg_vdd_cpux: vdd-cpux-regulator {
50		compatible = "regulator-gpio";
51		regulator-name = "vdd-cpux";
52		regulator-type = "voltage";
53		regulator-boot-on;
54		regulator-always-on;
55		regulator-min-microvolt = <1100000>;
56		regulator-max-microvolt = <1300000>;
57		regulator-ramp-delay = <50>; /* 4ms */
58
59		gpios = <&r_pio 0 1 GPIO_ACTIVE_HIGH>; /* PL1 */
60		enable-active-high;
61		gpios-states = <0x1>;
62		states = <1100000 0>, <1300000 1>;
63	};
64
65	wifi_pwrseq: wifi_pwrseq {
66		compatible = "mmc-pwrseq-simple";
67		reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
68		clocks = <&rtc 1>;
69		clock-names = "ext_clock";
70	};
71};
72
73&cpu0 {
74	cpu-supply = <&reg_vdd_cpux>;
75};
76
77&ehci0 {
78	status = "okay";
79};
80
81&mmc0 {
82	vmmc-supply = <&reg_vcc3v3>;
83	bus-width = <4>;
84	/*
85	 * On the production batch of this board the card detect GPIO is
86	 * high active (card inserted), although on the early samples it's
87	 * low active.
88	 */
89	cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */
90	status = "okay";
91};
92
93&mmc1 {
94	vmmc-supply = <&reg_vcc3v3>;
95	vqmmc-supply = <&reg_vcc3v3>;
96	mmc-pwrseq = <&wifi_pwrseq>;
97	bus-width = <4>;
98	non-removable;
99	status = "okay";
100
101	brcmf: wifi@1 {
102		reg = <1>;
103		compatible = "brcm,bcm4329-fmac";
104		interrupt-parent = <&pio>;
105		interrupts = <6 10 IRQ_TYPE_LEVEL_LOW>; /* PG10 / EINT10 */
106		interrupt-names = "host-wake";
107	};
108};
109
110&ohci0 {
111	status = "okay";
112};
113
114&uart0 {
115	pinctrl-names = "default";
116	pinctrl-0 = <&uart0_pa_pins>;
117	status = "okay";
118};
119
120&uart1 {
121	pinctrl-names = "default";
122	pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
123	uart-has-rtscts;
124	status = "okay";
125
126	bluetooth {
127		compatible = "brcm,bcm43438-bt";
128		clocks = <&rtc 1>;
129		clock-names = "lpo";
130		vbat-supply = <&reg_vcc3v3>;
131		vddio-supply = <&reg_vcc3v3>;
132		device-wakeup-gpios = <&pio 6 13 GPIO_ACTIVE_HIGH>; /* PG13 */
133		host-wakeup-gpios = <&pio 6 11 GPIO_ACTIVE_HIGH>; /* PG11 */
134		shutdown-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
135	};
136
137};
138
139&usb_otg {
140	dr_mode = "otg";
141	status = "okay";
142};
143
144&usbphy {
145	usb0_id_det-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
146	/*
147	 * There're two micro-USB connectors, one is power-only and another is
148	 * OTG. The Vbus of these two connectors are connected together, so
149	 * the external USB device will be powered just by the power input
150	 * from the power-only USB port.
151	 */
152	status = "okay";
153};
154